The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.
Range & Status
Native. Eurasian Boreal-montane species. In Britain it is mainly found in Carboniferous limestone districts, on base-rich volcanic rock in north Wales and basalt in northern Ireland. It also occurs on mine-waste.
Very restricted, only occurring on the serpentine on the western side of The Lizard
Habitat & Ecology
Grows on serpentine rock outcrops, Cornish Hedges and open, thin-soiled patches in the cliff top heath.
The sites are all SSSI or within the National Nature Reserve.
I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.
The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.